Is anyone else having problems running with 26.0.0...

# android

[colintheshots]

Is anyone else having problems running with 26.0.0 support libraries due to dex merger issues? I'm poring over a gradle dependencies report trying to find what's wrong.
"> com.android.build.api.transform.TransformException: com.android.dex.DexException: Multiple dex files define Landroid/support/graphics/drawable/VectorDrawableCompat$VFullPath;"